<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8"/>
		<title></title>
		
		<style type="text/css">
			*{
				margin: 0;
				padding: 0;
			}
			.bg{
				background-color: #CCCCCC;
				width: 400px;
				height: 400px;
				margin: 0 auto;
				margin-top: 100px;
				padding-top: 60px;
				box-sizing: border-box;
			}
			.box{
				width: 270px;
				height: 270px;
				margin: 0 auto;
				border-radius: 15%;
				background-color: #fff;
				display: flex;
				flex-direction: column;
			}
			
			.box1,.box2,.box3{
				flex: 1;
				display: flex;
				flex-wrap: wrap;
				justify-content: space-around; 
				padding-top: 15px;
			}
			
			.item{
				width: 60px;
				height: 60px;
				border-radius: 30px;
				background-color: #333;
			}
		</style>
	</head>
	<body>
		<div class="bg">
			<div class="box">
				<div class="box1">
					<div class="item"></div>
					<div class="item"></div>
					<div class="item"></div>
				</div>	
				<div class="box2">
					<div class="item"></div>
				</div>
				<div class="box3">
					<div class="item"></div>
					<div class="item"></div>
				</div>
			</div>
			
		</div>
	</body>
</html>
